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Positractions and Lockers

  • WCDGM55P-H  55P GM 3.90< T/L POSI
    WCDGM55P-H 55P GM 3.90< T/L POSI
    Trac Lok Limited Slip Differentials Trac Lok Limited Slip Differentials are made by a number of OEM and aftermarket manufacturers. These units use fiber clutches behind the side gears to apply torque to both tires...

  • WCDGM55P/L-3SM  55P GM 3.73< SMOOTH P/L
    WCDGM55P/L-3SM 55P GM 3.73< SMOOTH P/L
    Open Differentials An open differential allows both tires to spin at different speeds. This is perfect on dry pavement when the vehicle corners and the axles turn at different speeds, but it doesn’t work very well...